Home / 1,262,047,583.84-1,740,722,417.36-885,788,130.20

Finding the Fourth Proportional to 1,262,047,583.84, 1,740,722,417.36 and 885,788,130.20

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Solution

The fourth proportional to 1,262,047,583.84, 1,740,722,417.36 and 885,788,130.20 is: 1,221,753,660.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,047,583.84 : 1,740,722,417.36 = 885,788,130.20 : x
  2. Step 2: Convert to fraction form
    1,262,047,583.84/1,740,722,417.36 = 885,788,130.20/x
  3. Step 3: Cross multiply
    1,262,047,583.84x = 1,740,722,417.36 × 885,788,130.20
  4. Step 4: Simplify right side
    1,262,047,583.84x = 1,541,911,255,270,538,496
  5. Step 5: Solve for x
    x = 1,541,911,255,270,538,496/1,262,047,583.84
  6. Step 6: Final answer
    x = 1,221,753,660.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.